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Check My Work Mileage tests are conducted for a particular model of automobile. If a 98% confidence interval with a marg
Posted: Wed May 11, 2022 1:35 pm
by answerhappygod
- Check My Work Mileage Tests Are Conducted For A Particular Model Of Automobile If A 98 Confidence Interval With A Marg 1 (27.52 KiB) Viewed 28 times
Check My Work Mileage tests are conducted for a particular model of automobile. If a 98% confidence interval with a margin of error of 1 mile per gallon is desired, how many automobiles should be used in the test? Assume that preliminary mileage tests indicate the standard deviation is 2.8 miles per gallon. Round your answer up to the nearest whole number.